CN101317005B - Air induction device for automobile - Google Patents
Air induction device for automobile Download PDFInfo
- Publication number
- CN101317005B CN101317005B CN2006800438791A CN200680043879A CN101317005B CN 101317005 B CN101317005 B CN 101317005B CN 2006800438791 A CN2006800438791 A CN 2006800438791A CN 200680043879 A CN200680043879 A CN 200680043879A CN 101317005 B CN101317005 B CN 101317005B
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- China
- Prior art keywords
- air
- main body
- opening
- induction device
- suction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000006698 induction Effects 0.000 title claims abstract description 38
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000003570 air Substances 0.000 claims description 108
- 239000012080 ambient air Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1266—Intake silencers ; Sound modulation, transmission or amplification using resonance comprising multiple chambers or compartments
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Provided is an air induction device for an automobile capable of reducing suction noise generated by the suction air to improve stillness in driving. The air induction device for an automobile includes: a main body having a suction manifold mounted on an engine, a throttle body installed in the suction manifold, an air cleaner connected to the throttle body by an air suction duct, an air suction pipe connected to the air cleaner to introduce the external air and having an opening installed at a rear part of a radiator, a suction port formed at a front part thereof, and a space formed therein; a discharge pipe formed at one side of the main body and connected to the suction pipe to be in communication with the space; ; and a resonance part formed inside the main body to remove noise generated during air suction, characterized in that the resonance part is formed of a cylindrical pipe and has a closed end opposite to the discharge pipe and an oval opening formed at the other end toward the discharge pipe, and the opening is formed to be connected to an inlet port of the discharge pipe and installed at a rear surface inside the main body to be opposite to the suction port of the main body.
Description
Technical field
The present invention relates to a kind of air induction device for automobile, more specifically, relate to a kind ofly when air is inhaled into by the air-strainer of automobile in the running, can reduce the air induction device for automobile of air suction and noise.
Background technique
Usually, air induction device for automobile comprises from the air-strainer of the air-filtering dust that is inhaled into cylinder or other material and filtered air is distributed the suction manifold of suction casig.
As shown in Figure 1, conventional air inlet system comprises the suction manifold 400A that is installed on the motor 500A, is arranged on throttle valve body 350A among the suction manifold 400A, is connected to the air-strainer 300A on the throttle valve body 350A and is connected to the sucking pipe 200A that air-strainer 300A went up and introduced ambient air by aspirating air pipe 340A.
In addition, the opening that forms at the front end of sucking pipe 200A is configured in the rear portion of radiator 100, so that can be introduced among the air-strainer 300A by the air of radiator 100 heating.
Specifically, when motor 500A was driven, air was sucked by the opening of the negative pressure that produces in suction manifold 400A from sucking pipe 200A.Then, air is supplied with into suction manifold 400A by air-strainer 300A via throttle valve body 350A.
But in the automobile traveling process, the noise that produces when air is inhaled into air-strainer into by suction device has reduced the quietness of automobile.
In addition, korean patent application 1997-17431 number (below be referred to as " routine techniques ") discloses " aspirating air pipe integrally formed with resonator of automobile " shown in a kind of Fig. 2 A and the 2B.
Shown in Fig. 2 A and 2B, the automobile aspirating air pipe has and outside import 100B, the outlet 200B that is connected to air-strainer that directly is communicated with, and the guiding ambient air is to supply air to air-strainer.Here, aspirating air pipe comprise from suction port 100B to the resonating cativty 300B that seals airtightly by barrier film 500B of outlet 200B, the connected part 400 that is communicated with suction port 100B and outlet 200B and with export 200B in abutting connection with disposing the small diameter portion 600B that resonating cativty 300B is communicated with connected part 400.
In conventional aspirating air pipe, because resonating cativty 300B and connected part 400 separate respectively by small diameter portion 600B, resonating cativty 300B is communicated with connected part 400, therefore be difficult to make this aspirating air pipe.In addition, owing to pass and export the small diameter portion 600B of 200B adjacency and enter resonating cativty 300B, reduce by the quantity of connected part 400 towards outlet 200B inhaled air from suction port 100B inhaled air.Therefore, the noise by air-breathing generation is slightly reduced.
Summary of the invention
Technical problem
In order to solve described problem, the purpose of this invention is to provide a kind of air induction device for automobile, it is arranged on the front end of sucking pipe, and can be by utilizing resonance to weaken because the air suction and noise that quick suction velocity produced of air improves the enforcement quietness.
Technological scheme
One aspect of the present invention provides a kind of air induction device for automobile, and this air inlet system comprises: have the main body that is arranged on the suction manifold on the motor, be installed in throttle valve body in the suction manifold, by aspirating air pipe be connected to described throttle valve body air-strainer, be connected to described air-strainer with introduce ambient air and have the opening at the rear portion that is arranged on radiator sucking pipe, be formed on its anterior inlet hole and be formed on wherein space; Be formed on a side of described main body and be connected to described sucking pipe with the outlet pipe of described spatial communication; And be formed on described body interior to eliminate the resonance part of the noise that intake period produces, it is characterized in that, described resonance part is formed by cylindrical tube, and have the closed end relative and be formed on the elliptical openings of the other end towards described outlet pipe with described outlet pipe, described opening forms the import that is connected to described outlet pipe, and described opening is arranged on the rear surface of described body interior with relative with the described inlet hole of described main body.
Another aspect of the present invention provides a kind of air induction device for automobile, and this air inlet system comprises: have the main body that is arranged on the suction manifold on the motor, be installed in throttle valve body in the suction manifold, by aspirating air pipe be connected to described throttle valve body air-strainer, be connected to described air-strainer with introduce ambient air and have the opening at the rear portion that is arranged on radiator sucking pipe, be formed on its anterior inlet hole and be formed on wherein space; Be formed on a side of described main body and be connected to described sucking pipe with the outlet pipe of described spatial communication; And be formed on described body interior to eliminate the resonance part of the noise that intake period produces, it is characterized in that, described resonance part is formed by cylindrical tube, and have the closed end relative and be formed on the elliptical openings of the other end towards described outlet pipe with described outlet pipe, described opening forms the import that is connected to described outlet pipe, described opening is arranged on the rear surface of described body interior with relative with the described inlet hole of described main body, wherein, semicircle protuberance is formed on the lower surface of main body, form opening with the suction air at protuberance, and resonantron is arranged in the described opening.
Remain another aspect of the present invention a kind of air induction device for automobile is provided, this air inlet system comprises: have the main body that is arranged on the suction manifold on the motor, be installed in throttle valve body in the suction manifold, by aspirating air pipe be connected to described throttle valve body air-strainer, be connected to described air-strainer with introduce ambient air and have the opening at the rear portion that is arranged on radiator sucking pipe, be formed on its anterior inlet hole and be formed on wherein space; Be formed on a side of described main body and be connected to described sucking pipe with the outlet pipe of described spatial communication; And be formed on described body interior to eliminate the resonance part of the noise that intake period produces, it is characterized in that, described resonance part is formed by cylindrical tube, and have the closed end relative and be formed on the elliptical openings of the other end towards described outlet pipe with described outlet pipe, described opening forms the import that is connected to described outlet pipe, described opening is arranged on the rear surface of described body interior with relative with the described inlet hole of described main body, wherein, semicircle protuberance is formed on the lower surface of described main body, form opening to suck air at protuberance, the next door is formed at the top at described opening, one side in next door is opened, and resonantron is arranged between described opening and the described next door.
Description of drawings
Fig. 1 is the perspective view of the conventional air inlet system of automobile;
Fig. 2 A is the front view of the conventional aspirating air pipe of automobile;
Fig. 2 B is the cross-sectional view along the line A-A of Fig. 2 A;
Fig. 3 is the front view according to the air induction device for automobile of first one exemplary embodiment of the present invention;
Fig. 4 is the cross-sectional view of edge according to the line I-I of the air induction device for automobile of first one exemplary embodiment of the present invention;
Fig. 5 is the cross-sectional view of edge according to the line II-II of the air induction device for automobile of first one exemplary embodiment of the present invention;
Fig. 6 is the cross-sectional view that illustrates according to the running of the air induction device for automobile of first one exemplary embodiment of the present invention;
Fig. 7 is the perspective exploded view according to the air induction device for automobile of second one exemplary embodiment of the present invention;
Fig. 8 is that wherein resonantron is separated according to the perspective exploded view of the air induction device for automobile of second one exemplary embodiment of the present invention;
Fig. 9 is the perspective cutaway view, according to the air induction device for automobile of second one exemplary embodiment of the present invention;
Figure 10 is the cross-sectional view according to the air induction device for automobile of second one exemplary embodiment of the present invention;
Figure 11 is the cross-sectional view according to the air induction device for automobile of the 3rd one exemplary embodiment of the present invention; And
Figure 12 is the cross-sectional view according to the air induction device for automobile of the 4th one exemplary embodiment of the present invention, wherein forms the next door.
Embodiment
Now embodiments of the invention are elaborated, example wherein illustrates in the accompanying drawings.
Fig. 3 is the front view according to the air induction device for automobile of first one exemplary embodiment of the present invention, Fig. 4 is the cross-sectional view of edge according to the line I-I of the air induction device for automobile of first one exemplary embodiment of the present invention, and Fig. 5 is the cross-sectional view of edge according to the line II-II of the air induction device for automobile of first one exemplary embodiment of the present invention;
In the following explanation of embodiments of the invention, in whole specification, indicate and the conventional components components identical with reference number identical among Fig. 1.
With reference to Fig. 3 to 5, air inlet system A according to the present invention comprise the rear side that is fixed to radiator 100 main body 2, be formed on the resonance part 4 of main body 2 inside and be formed on the outlet pipe 6 of a side of main body 2.
Therefore, main body 2 is fixed in the rear side of radiator 100, and inlet hole 20 is corresponding to the rear surface configuration of radiator 100, so that can directly introduce by inlet hole 20 via the air of radiator 100 heating.
Fig. 6 is the cross-sectional view that illustrates according to the running of the air induction device for automobile of first one exemplary embodiment of the present invention;
With reference to Fig. 3 and 6, predetermined resonance part 4 is arranged on the rear inner surface of the main body 2 relative with inlet hole 20.This resonance part 4 has the shape of cylindrical tube basically.Resonance part 4 vertically is arranged on the rear inner surface of main body 2 along it, and has the closed end relative with outlet pipe 6 and in the face of the opening end 42 of outlet pipe 6.
In addition, the opening end 42 with inclined ellipse shape is connected with the import of exhaust port 6, increasing the area of opening end 42 significantly, thereby increases the intake of air.Therefore, may reduce speed significantly, reduce noise simultaneously by the air-flow that sucks the air discharge.
That is, utilize, may reduce the speed and the noise of air-flow by the suction air of elliptical openings end 42 increases and the friction between the exhausting air.In addition, the air waiting time is long more, and air suction and noise is more little.
Further, be introduced in the resonance part 4 by quick noise generated by air flow, the noise with different wave length collides mutually to weaken overall noise in resonance part 4.
Therefore, rest on air in the resonance part 4 and that turn back to outlet pipe and the air mixing of directly introducing outlet pipe from inlet hole 20, with speed and the noise that reduces air-flow.
Below, with assembling and the running of explanation according to air inlet system of the present invention.
Resonance part 4 forms with main body 2, and outlet pipe 6 is formed on a side of main body 2, thereby makes according to air inlet system A of the present invention.
Then, the carriage 24 that is configured on the main body 2 is anchored on the back carriage (not shown) of radiator 100 by passing fastener hole 26 fixing bolts 150, and sucking pipe 200A is connected on the outlet pipe 6, thereby finishes the assembling of air inlet system.
Therefore, when automobile runs, the air by radiator 100 sucks via the inlet hole 20 of main body 2, and the resonance part 4 of passing then in the main body 2 enters outlet pipe 6.Then, air is fed into suction manifold 400A through air-strainer 300A.
Air induction device for automobile according to another one exemplary embodiment of the present invention will be described now.
Fig. 7 is the perspective exploded view according to the air induction device for automobile of second one exemplary embodiment of the present invention, Fig. 8 is the perspective exploded view according to the air induction device for automobile of second one exemplary embodiment of the present invention, wherein resonantron is separated, Fig. 9 is the perspective cutaway view, according to the air induction device for automobile of second one exemplary embodiment of the present invention, and Figure 10 is the cross-sectional view according to the air induction device for automobile of second one exemplary embodiment of the present invention.
In the following explanation of embodiments of the invention, the reference number identical with Fig. 1 indicated in whole specification and the conventional components components identical.
Shown in Fig. 7 to 10, air inlet system A according to the present invention comprise the rear portion that is arranged on radiator 100 main body 2, be formed on main body 2 the bottom resonance part 4 and be connected to the outlet pipe 6 of a side of main body 2.
In addition, main body 2 is that the rectangular of hollow is box-like.Main body 2 has the inlet hole 20 that is formed on the one side and opens between main body 2 and end cap 3, the carriage 24 with a plurality of fastener holes 26 along vertical formation of main body 2 to be fixed on the radiator 100.
Further, resonance part 4 has from the outstanding semicircle protuberance 41 of the lower surface of main body 2, and protuberance 41 has opening 42.
Simultaneously, illustrated opening 42 is to be divided into two holes, and opening 42 can form single hole or a plurality of hole.
In addition, the resonantron 43 that is formed by fabric is fixed in the opening 42 securely.Except that fabric, resonantron 43 can be formed by non-woven fabric etc.
Further, fixed salient 44 is configured in the inside of opening 42, so that resonantron 43 is installed securely, permanent joint 45 is formed on the both sides of resonantron 43 to insert in the fixed salient 44.
One side of outlet pipe 6 is connected with a side of main body 2, and so that inhaled air is moved to air-strainer 300A, the opposite side of outlet pipe 6 is connected with the sucking pipe 200A that is connected to air-strainer 300A.
Air inlet system A according to the present invention is fixed to the rear portion of radiator 100 by the clamping bolt of the fastener hole 26 that passes carriage 24.
Certainly, can at random be arranged on any position that is suitable for the smooth air suction, comprise the rear portion and the upper end of radiator 100 according to air inlet system A of the present invention, and the upper end of front panel.
In this air inlet system A, ambient air is sucked from inlet hole 20 by the negative pressure that acts on the suction manifold 400A that is arranged on the motor 500A.Ambient air is as also sucking from the opening 42 of the resonance part 4 of the lower surface that is formed on main body 2 from inlet hole 20.
Owing to sucked apace by negative pressure by inlet hole 20 inhaled airs, and the resonantron 43 of the upper surface of the air that is inhaled into by opening 42 by being formed on opening 42 sucks, therefore, speed by opening 42 inhaled airs and flow are lower than speed and the flow by inlet hole 20 inhaled airs.
Specifically, because the area of opening 20 is less than the area of inlet hole 20, so the flow by opening 42 inhaled airs is less than the flow by inlet hole 20 inhaled airs.In addition, owing to being to be inhaled in the main body 2, so also reduced suction velocity by the resonantron 43 that is arranged on the opening 42 by opening 42 inhaled airs.
Therefore, mix with opening 42 inhaled airs of suction side by outlet pipe 6, thereby reduce speed by outlet pipe 6 inhaled airs by inlet hole 20 inhaled airs.
In addition, the part by inlet hole 20 inhaled airs enters resonantron 43 and discharges to inlet hole 20 once more, so that concentrate on the suction side of outlet pipe 6, thereby reduces flow and speed by inlet hole 20 inhaled airs.
Therefore, enter suction manifold 400A by sucking pipe 200A and air-strainer 300A, thereby reduce the noise of generation when air is inhaled into by outlet pipe 6 by outlet pipe 6 inhaled airs.
In addition, a third embodiment in accordance with the invention is illustrated among Figure 11, and the structure identical with second embodiment no longer repeats.
As shown in figure 11, comprise planar resonantron 43a or two parallel semi-cylindrical shaped resonantron 43a according to the air inlet system A of the 3rd one exemplary embodiment of the present invention, this resonantron 43a is configured on the opening 42 adjacent with protuberance 41.
Because a third embodiment in accordance with the invention is similar to second embodiment, so brief description is made in its running.
In a third embodiment in accordance with the invention, air is inhaled into by the inlet hole 20 of the negative pressure that produces from suction manifold 400A from air inlet system A, and air is inhaled into by the resonantron 43A of opening 42 and resonance part 4 simultaneously.
Mix reducing to suck the speed of air at the suction side of outlet pipe 6 by inlet hole 20 and sounding board 46 inhaled airs, thereby reduce the air suction and noise that when outlet pipe 6 moves, produces when air.
A fourth embodiment in accordance with the invention is illustrated among Figure 12, and the explanation identical with the second or the 3rd embodiment will no longer repeat.
As shown in figure 12, a fourth embodiment in accordance with the invention comprises the next door 5 that is configured between inlet hole 20 and the resonance part 4.Next door 5 from inlet hole 20 along the direction relative with protuberance 41 to projecting inward, and have a plurality of [es 51 that form with predetermined interval.
On the other hand, next door 5 can not have [51, and main body 2 and resonance part 4 are formed on independently in the space.At this moment, a side in next door 5 has the open design that is communicated with adjacent outlet pipe 6.
In addition, as mentioned above, circular resonance pipe 43 or planar resonant plate 43a can be arranged between resonance part 4 and the next door 5.
Because a fourth embodiment in accordance with the invention is similar with the 3rd embodiment to second, so brief description is made in its running.
In the 4th embodiment, air is inhaled into by the inlet hole 20 of main body 2, and resonantron 43 and the 43a by opening 42 and resonance part 4 sucks in the main body 2 simultaneously.
At this moment, a large amount of air that suck by inlet hole 20 are sucked at a high speed, and the little air that sucks by resonance part 4 is sucked by low speed.Pass by opening 42 inhaled airs by the [51 of inlet hole 20 inhaled airs via next door 5.
As mentioned above, the air of intersection has reduced to suck the speed of air, and is inhaled into via the import of next door 5 by outlet pipe 6, and a side in next door 5 is opened, thereby reduces air suction and noise.
On the other hand, next door 5 does not have under the situation of [51, mixes with the suction velocity that slows down in the import of outlet pipe 6 by inlet hole 20 and opening 42 inhaled airs.
Following table 1 illustrates the performance test result according to air induction device for automobile of the present invention.Be appreciated that with routine techniques and compare that noise is reduced.
Table 1
Can find out from aforementioned, can reduce by the air suction and noise that sucks the air generation to improve the quietness in exercising according to air induction device for automobile of the present invention.
Reference exemplary embodiment wherein is illustrated the present invention, very clear to those skilled in the art, the various improvement that described embodiment is made that the present invention relates to all do not have to break away from additional claim and the spirit and scope of the present invention defined in being equal to.
Claims (6)
1. air induction device for automobile, comprise: main body, it has the suction manifold that is installed on the motor, be installed in throttle valve body in the described suction manifold, by aspirating air pipe be connected to described throttle valve body air-strainer, be connected to described air-strainer with introduce ambient air and have the rear portion that is arranged on radiator opening sucking pipe and be formed on the inlet hole of described body front part and be formed on space in the described main body; Be formed on a side of described main body and be connected to described sucking pipe with the outlet pipe of described spatial communication; And be formed on described body interior eliminating the resonantron of the noise that intake period produces,
It is characterized in that, described resonantron is formed by cylindrical tube, and have the closed end relative and be formed on the elliptical openings of the other end towards described outlet pipe with described outlet pipe, described elliptical openings forms the import that is connected to described outlet pipe, described elliptical openings is arranged on the rear surface of described body interior with relative with the described inlet hole of described main body, wherein, semicircular protuberance is formed on the lower surface of described main body, form opening to suck air at protuberance, the next door is formed at the top at the opening of described protuberance, one side in described next door is opened, and resonantron is arranged between the opening and described next door of described protuberance.
2. air induction device for automobile according to claim 1, wherein, described resonantron is formed and is configured in the upper surface of the opening of described protuberance by flat board.
3. air induction device for automobile according to claim 2, wherein, described resonantron is formed by fabric.
4. air induction device for automobile according to claim 3, wherein, described resonantron is formed by non-woven fabric.
5. air induction device for automobile according to claim 4, wherein, described semicircle protuberance is two side-prominent with fixing described resonantron from its described opening.
6. air induction device for automobile according to claim 1, wherein, described next door has [, and the air in described inlet hole and the described resonantron passes this [.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020050030156 | 2005-10-24 | ||
| KR20-2005-0030156 | 2005-10-24 | ||
| KR2020050030156U KR200408570Y1 (en) | 2005-10-24 | 2005-10-24 | Car intake system's aspirator |
| KR1020060102066A KR100827953B1 (en) | 2006-10-19 | 2006-10-19 | Inspiration Device used Atuomobile |
| KR1020060102066 | 2006-10-19 | ||
| KR10-2006-0102066 | 2006-10-19 | ||
| PCT/KR2006/004359 WO2007049908A1 (en) | 2005-10-24 | 2006-10-24 | Air induction device for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101317005A CN101317005A (en) | 2008-12-03 |
| CN101317005B true CN101317005B (en) | 2011-03-02 |
Family
ID=40107363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800438791A Expired - Fee Related CN101317005B (en) | 2005-10-24 | 2006-10-24 | Air induction device for automobile |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200408570Y1 (en) |
| CN (1) | CN101317005B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100897103B1 (en) | 2007-11-20 | 2009-05-14 | 현대자동차주식회사 | Noise reduction device for air inlet system |
| CN102741539B (en) * | 2009-11-11 | 2015-03-25 | 托莱多铸模公司 | Air intake apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3966014A (en) * | 1973-11-22 | 1976-06-29 | Bombardier Limited | Air intake silencer |
| US4757874A (en) * | 1986-07-17 | 1988-07-19 | Honda Giken Kogyo Kabushiki Kaisha | Air intake noise suppressor for an internal combustion engine |
| US5417195A (en) * | 1992-03-24 | 1995-05-23 | Mazda Motor Corporation | Engine induction system |
-
2005
- 2005-10-24 KR KR2020050030156U patent/KR200408570Y1/en not_active IP Right Cessation
-
2006
- 2006-10-24 CN CN2006800438791A patent/CN101317005B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3966014A (en) * | 1973-11-22 | 1976-06-29 | Bombardier Limited | Air intake silencer |
| US4757874A (en) * | 1986-07-17 | 1988-07-19 | Honda Giken Kogyo Kabushiki Kaisha | Air intake noise suppressor for an internal combustion engine |
| US5417195A (en) * | 1992-03-24 | 1995-05-23 | Mazda Motor Corporation | Engine induction system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200408570Y1 (en) | 2006-02-13 |
| CN101317005A (en) | 2008-12-03 |
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Granted publication date: 20110302 Termination date: 20211024 |
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